diff --git a/_pkgdown.yml b/_pkgdown.yml
index ab42afca3..bd73fe9c0 100644
--- a/_pkgdown.yml
+++ b/_pkgdown.yml
@@ -142,6 +142,7 @@ reference:
   - 'tar_resources_aws'
   - 'tar_resources_clustermq'
   - 'tar_resources_crew'
+  - 'tar_resources_custom_format'
   - 'tar_resources_feather'
   - 'tar_resources_fst'
   - 'tar_resources_future'